Position in IBRX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$4,395,071
+$4,351,757 QoQ
Shares Held
573,021
+3392.5% QoQ
Ownership
0.055%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2022
6 quarters on record
Voting authority
Sole 50.ToString("F0")%
Shared 50.ToString("F0")%
None 0.ToString("F0")%
Common Shares in IBRX Over Time
Shares Held
Position Value (USD)
Derivatives in IBRX
reported options exposure · as of Mar 31, 2026CallValue
$0
CallShares
0
PutValue
$1,349,920
PutShares
176,000
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Biotechnology
Healthcare · as of Mar 31, 2026TUDOR INVESTMENT CORP ET AL holds $331,771,687 across 116 Biotechnology names. IBRX ranks #16 (1.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ACLX |
Arcellx, Inc.
|
462,588 | $53,114,354 | |
| 2 | RPRX |
Royalty Pharma plc
|
671,680 | $32,220,489 | |
| 3 | XENE |
Xenon Pharmaceuticals Inc.
|
495,591 | $28,818,616 | |
| 4 | APLS |
Apellis Pharmaceuticals, Inc.
|
650,000 | $26,149,500 | |
| 5 | TERN |
Terns Pharmaceuticals, Inc.
|
267,520 | $14,103,654 | |
| 6 | FOLD |
AMICUS THERAPEUTICS, INC.
|
900,000 | $13,014,000 | |
| 7 | ABVX |
Abivax S.A.
|
101,611 | $11,314,384 | |
| 8 | RVMD |
Revolution Medicines, Inc.
|
87,852 | $8,543,607 |
All Filings in IBRX
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,349,920 | 176,000 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $4,395,071 | 573,021 | Shares | Defined | 2026-05-15 | |
| 2025-06-30 | $43,314 | 16,407 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $73,001 | 24,253 | Shares | Defined | 2025-05-15 | |
| 2024-06-30 | $638,610 | 101,046 | Shares | Defined | 2024-08-14 | |
| 2023-03-31 | $357,513 | 196,436 | Shares | Defined | 2023-05-15 | |
| 2022-06-30 | $353,920 | 95,140 | Shares | Defined | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||